Have you ever been on a diet yet eaten a family-sized bag of chips all on your own or planned to wake up early yet hit the “snooze” button on your alarm so many times that you ended up late for a meeting you actually cared about? In those moments, it’s easy to beat yourself up. But have you really wondered why this happens often?Here is a little secret: It isn’t because you’re weak-willed. So, here we list five psychology-backed reasons that explain why you do what you do—and how to rewire your brain to be more efficient and productive: